The terms of reference of DG5 are: to advise the CCL on matters relating to step gauges; to produce a working document on principal uncertainty components in measurements of step gauges; and to harmonize the terms and definitions related to the field.

Chairperson:

• Dr Emilio Prieto Esteban  (CEM)

Members:

• Dr Makoto Abe (NMIJ/AIST)
• Mr João Antonio Pires Alves (INMETRO)
• Dr Alessandro Balsamo (INRIM)
• Mr Tim Coveney (NPL)
• Dr Taebong Eom (KRISS)
• Dr Brian Eves (NRC)
• Mr Oelof Kruger (NMISA)
• Dr Antti Lassila (MIKES)
• Mr Ilker Meral (UME)
• Dr Gian Bartolo Picotto (INRIM)
• Mr Joaquin Rodriguez (CEM)
• Dr Siew Leng Tan (NMC, A*STAR)
• Dr Rudolf Thalmann (METAS)
• Dr Miguel Ramón Viliesid Alsonso (CENAM)
• Dr Andras Vladar (NIST)
• Dr Shihua Wang (NMC, A*STAR)
• Mr Weinong Wang (NIM)
• Mr Vit Zelený (CMI)